Because physical disabilities students lose the function parts of body,it has caused a big obstacle in computer operation.According to the different physical disabilities students' physical handicap characteristics, analyze constraint about the computer operation ability ascension of physical disabilities student,design several sets that are foot type special keyboard, foot type special keyboard scaffold set, mouth type touch operation, mouth type operating keyboard device,foot type touch operation and mouth-ear type mouse operation scaffold, these sets can meet the demand of their respective operation characteristics of computer auxiliary tools,and make up and improve physical disabilities students' ability in computer operation.%由于肢体残疾学生失去了身体功能部位，造成了他们使用计算机的一大障碍。根据不同肢体残疾学生的身体残缺特点，设计出脚式专用键盘、脚式专用键盘支架装置、口式操作触摸器、口式键盘操作装置、脚式操作触摸器和口耳式鼠标操作架等计算机辅助工具，适合肢残学生操作计算机需求，以提升肢体残疾学生的计算机操作能力。
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